Table 1 Clinical characteristics of boys and girls aged 10–18 years (n = 8091).

From: Updated reference ranges for aminotransferase levels of Korean children and young adolescents based on the risk factors for metabolic syndrome

 

Boys

Girls

P

n = 4307

n = 3784

Age (years)

14.30 ± 2.51

14.36 ± 2.51

0.249

Height SDS

0.25 ± 1.05

0.19 ± 1.05

0.004

Weight SDS

0.10 ± 1.22

0.05 ± 1.14

0.081

Waist circumference SDS

−0.24 ± 1.13

−0.19 ± 1.09

0.028

BMI SDS

−0.04 ± 1.29

−0.05 ± 1.19

0.646

Systolic blood pressure (mmHg)

108.80 ± 10.59

104.21 ± 9.30

 < 0.001

Diastolic blood pressure (mmHg)

66.38 ± 9.64

65.56 ± 8.28

 < 0.001

AST (IU/L)

18.03 ± 19.96

12.16 ± 7.48

 < 0.001

ALT (IU/L)

21.04 ± 10.93

17.52 ± 5.02

 < 0.001

AST/ALT ratio

1.44 ± 0.61

1.61 ± 0.49

 < 0.001

Glucose (mg/dL)

90.83 ± 7.98

89.43 ± 9.04

 < 0.001

T-C (mg/dL)

155.80 ± 27.07

163.82 ± 26.30

 < 0.001

TG (mg/dL)

49.86 ± 9.91

52.22 ± 9.86

 < 0.001

HDL-c (mg/dL)

83.03 ± 47.31

86.57 ± 44.22

0.001

LDL-c (mg/dL)

89.39 ± 23.25

94.27 ± 22.89

 < 0.001

Alcohol consumption (%)

1172 (27.21%)

865 (22.86%)

 < 0.001

Smoking

681 (15.81%)

249 (6.58%)

 < 0.001

Physical activity

2515 (58.39%)

2088 (55.18%)

 < 0.001

Rural residence

700 (16.25%)

612 (16.17%)

0.004

Household income ≤ 1st quartile

467 (10.84%)

418 (11.05%)

0.947

Diagnosis of hypertension

0 (0%)

0 (0%)

 > 0.999

Diagnosis of T2DM

2 (0.1%)

2 (0.1%)

 > 0.999

Diagnosis of dyslipidemia

0 (0%)

0 (0%)

 > 0.999

  1. Data are presented as the mean ± standard deviation (SD).
  2. SDS, standard deviation score; BMI, body mass index; AST, aspartate aminotransferase; ALT, alanine aminotransferase; T-C, total cholesterol; TG, triglyceride; HDL-c, high-density lipoprotein cholesterol; LDL-c, low-density lipoprotein cholesterol.
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